英语人教版八年级下册unite5.docx

教学目标1. 语言知识目标：1） the students can use the “ while”.2. 情感态度价值观目标：Encourage the students to think more of others and try to help each other in time of difficulty. Remember that helping others is just helping us.重点：1. To master: While + the past progressive tense 2. Words and structures难点：1. To master: While + the past progressive tense 2. The words and the language.教学过程Step3.fill in the blanks（根据图表引出while的用法）Bends dad He was putting pieces of wood over thewindows Bends mom His mom was making sure the flashlights and radio were working. Ben Ben was helping his mom make dinner when the rain began to beat heavily against the windows 4Learn the use of whileUse while to make sentences(根据给出的图片)Summarize the use of while找出含有when while 的句子 1ben was helping his mom make dinner when the rain began to beat heavily against the windows.2. He fell asleep when the wind was dying down at around 3 :00 am 3. When he woke up, the sun was rising.4. Bens dad was putting pieces of wood over the windows while his mom was making sure the flashlights and radio were working. when的用法3. 表示突然发生某事，意思是“正在时突然”，主句常用过去进行时，when从句常用一般过去时。 I was just coming along to see you when I ran into Wilson. while的用法1. 主句和从句都用一般过去时。 She listened carefully while he read.延续性动词：read, study, sleep, write, listen, watch等。【典例1】Little Tom _ computer games when his mother got home. A. is playing B. plays C. was playing D. playing 【典例2】 Turn off the water while you _ your teeth or washing your handsA. were brushing B. brush C. are brushing D. brushed 【典例2】 Turn off the water while you _ your